Hazardous Site Articles & Analysis: Older
2 articles found
Environmental Protection Agency’s (USEPA) Regional Screening Levels (RSLs) for human health risk assessment at hazardous waste sites and permitted facilities. The document emphasizes the importance of DTSC-SLs in evaluating chemical concentrations in environmental media at California sites. ...
X-ray radiography of soil cores was used as the primary test method to determine the reasons for the permeation of perchloroethylene into apparently impermeable clay layers at a hazardous chemical spill site. X-ray powder diffractometry, scanning electron microscopy, and chemical analysis were also performed to characterize the materials and structures observed ...